Re: HELP! ext2 errors... :-(

Stephen C. Tweedie (sct@redhat.com)
Tue, 29 Sep 1998 10:12:24 +0100


Hi,

On Mon, 28 Sep 1998 14:23:32 EDT, Ricardo Kleemann
<ricardo@americasnet.com> said:

> I've been trying to fight some painful ext2 errors for quite some
> time. At first I was having them on SCSI, so I temporarily
> transferred files over to IDE but I'm still losing this battle...

It's not ext2, it's your hardware, by the looks of things.

> The errors occur only on a partition which has a very large number
> of directories and files... over 12,000 directories under one main
> /homes directory, and each of these directories have db files and a
> couple underlying directories.

Tha could well be simply due to the load placed on that partition.

> Here are the types of errors I see in messages:
> free_one_pmd: bad directory entry 00000029
> free_one_pmd: bad directory entry 08cea798

Those are not filesystem errors! They are page table errors from the
virtual memory system. They seem to be most commonly associated with
either bad cache memory or overheating CPUs.

> hdc: dma_intr: status=0x51 { DriveReady SeekComplete Error }
> hdc: dma_intr: error=0x84 { BadSector DriveStatusError }, LBAsect=11258246,
> sector=11257940
> hdc: dma_intr: status=0x51 { DriveReady SeekComplete Error }
> hdc: dma_intr: error=0x84 { BadSector DriveStatusError }, LBAsect=11258246,
> sector=11257940

Those are errors being reported from the IDE driver; again, they don't
come from the filesystem.

--Stephen

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